When a number of female murder victims are discovered in Ueno Park with lilac flowers in their mouths and one of Shizuru's books by their side, rumor spreads that he may have some involvement in the case. Worried for her friend, Tsugumi learns that the murders seem to be inspired by a certain book where both Shizuru and Sasagoi-san have ties to the author. When Shizuru is taken away by the police for questioning, Tsugumi works with the rest of Fukurou to find the real killer before it's too late.
I could hear the pained voice 
of my teacher coming from it,
أمكنني سماع صوت معلّمي المتألم القادم من المخطوط
Ich konnte die gequälte Stimme
meines Lehrers hören.
Podía escuchar la voz de mi maestro
en el manuscrito decir
Podía escuchar la voz de mi maestro
en el manuscrito decir
J’entendais dans les pages
Dal manoscritto riuscivo chiaramente
Eu podia ouvir a voz sofrida
do meu mestre saindo do manuscrito
Я слышал страдальческий
голос своего учителя,